diff -r 000000000000 -r 4f2f89ce4247 WebCore/svg/SVGFontFaceFormatElement.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGFontFaceFormatElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,55 @@
+/*
+   Copyright (C) 2007 Eric Seidel <eric@webkit.org>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+
+#if ENABLE(SVG_FONTS)
+#include "SVGFontFaceFormatElement.h"
+
+#include "SVGFontFaceElement.h"
+#include "SVGNames.h"
+
+namespace WebCore {
+    
+using namespace SVGNames;
+    
+SVGFontFaceFormatElement::SVGFontFaceFormatElement(const QualifiedName& tagName, Document* doc)
+    : SVGElement(tagName, doc)
+{
+}
+
+void SVGFontFaceFormatElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+{
+    SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+
+    if (!parentNode() || !parentNode()->hasTagName(font_face_uriTag))
+        return;
+    
+    Node* ancestor = parentNode()->parentNode();
+    if (!ancestor || !ancestor->hasTagName(font_face_srcTag))
+        return;
+    
+    ancestor = ancestor->parentNode();
+    if (ancestor && ancestor->hasTagName(font_faceTag))
+        static_cast<SVGFontFaceElement*>(ancestor)->rebuildFontFace();
+}
+
+}
+
+#endif // ENABLE(SVG_FONTS)